{"entity":{"iso2":"PL","iso3":"POL","name":"Poland","slug":"poland"},"indicator":{"licence":"CC BY 4.0 (World Bank Open Data)","slug":"barro-lee-average-years-of-primary-schooling-age-25-total","source":"Robert J. Barro and Jong-Wha Lee: http://www.barrolee.com/","source_url":"https://data.worldbank.org/indicator/BAR.PRM.SCHL.25UP","title":"Barro-Lee: Average years of primary schooling, age 25+, total","unit":null},"observations":[{"date":"1960-01-01","value":4.89},{"date":"1965-01-01","value":5.38},{"date":"1970-01-01","value":5.74},{"date":"1975-01-01","value":6.16},{"date":"1980-01-01","value":6.36},{"date":"1985-01-01","value":6.64},{"date":"1990-01-01","value":6.73},{"date":"1995-01-01","value":6.95},{"date":"2000-01-01","value":7.07},{"date":"2005-01-01","value":7.3},{"date":"2010-01-01","value":7.45}],"summary":{"latest_period":"2010-01-01","latest_value":7.45,"max":7.45,"mean":6.42455,"min":4.89,"of":144,"rank":5,"trend":"rising"}}